A Greener, Cost-Effective Cloud with Serverless WebAssembly
summary
Claims that WebAssembly (Wasm) plus serverless is greener and cheaper backed by concrete numbers: Rust Hello World Wasm ~2.3 MB (AOT ~1.1 MB) versus container images 23 MB vs 550 KB, Firecracker node vs Wasm node 48 cores 382 GB 3360 GB disk → 8 cores 32 GB 100 GB disk, cold-starts and fast switching enable dense multi-tenancy, and a live-style demo of 10,000 requests across 500 Spin apps returns CPU to baseline in ~9 seconds showing it works. Tools used: Spin, Spin CLI, Nomad cluster and custom load tester.
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chapters (10)
- 0:00Sustainable cloud computing
- 4:30What is WebAssembly
- 8:05Demo: WebAssembly serverless app
- 14:45Serverless computing
- 17:54Multi-tenancy efficiency
- 21:02WebAssembly vs microVMs
- 25:58Demo: Fast switching & scaling
- 29:11Hardware utilization
- 32:05Component model future
- 35:16Next steps & resources
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